Additional test support for Manipulator Ditto commands (#4191)

* additional test support for manipulator ditto

Signed-off-by: hultonha <hultonha@amazon.co.uk>

* tidy-up to changes

Signed-off-by: hultonha <hultonha@amazon.co.uk>

* fix for non-unity build compile error

Signed-off-by: hultonha <hultonha@amazon.co.uk>

Code/Editor/EditorToolsApplication.h

@@ -7,7 +7,9 @@
  */
 
 #pragma once
+
 #include <AzToolsFramework/Application/ToolsApplication.h>
+#include <AzToolsFramework/Viewport/ViewportMessages.h>
 
 #include "Core/EditorMetricsPlainTextNameRegistration.h"
 #include "EditorToolsApplicationAPI.h"
@@ -19,6 +21,8 @@ namespace EditorInternal
     class EditorToolsApplication
         : public AzToolsFramework::ToolsApplication
         , public EditorToolsApplicationRequests::Bus::Handler
+        , public AzToolsFramework::ViewportInteraction::EditorModifierKeyRequestBus::Handler
+        , public AzToolsFramework::ViewportInteraction::EditorViewportInputTimeNowRequestBus::Handler
     {
     public:
         EditorToolsApplication(int* argc, char*** argv);
@@ -44,6 +48,12 @@ namespace EditorInternal
         void CreateReflectionManager() override;
         void Reflect(AZ::ReflectContext* context) override;
 
+        // EditorModifierKeyRequestBus overrides ...
+        AzToolsFramework::ViewportInteraction::KeyboardModifiers QueryKeyboardModifiers() override;
+
+        // EditorViewportInputTimeNowRequestBus overrides ...
+        AZStd::chrono::milliseconds EditorViewportInputTimeNow() override;
+
     protected:
         // From EditorToolsApplicationRequests
         bool OpenLevel(AZStd::string_view levelName) override;